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authorVasu Dev <vasu.dev@intel.com>2011-09-27 21:37:57 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-10-02 12:55:07 -0500
commited26cfece6177310ad8f5896651a3187ce02711c (patch)
tree2997e4c698ce773d1fb6867a6daea0cfdd264737 /drivers/scsi/libfc/fc_fcp.c
parent5c609ff937a91cf09b1f8d7612cd00bc046c27f7 (diff)
[SCSI] libfc: cache align struct fc_fcp_pkt fields
Re-arrange its fields to avoid padding and have better cacheline alignments. Removed not used start_time, end_time and last_pkt_time fields. This all reduced this struct size to 448 from 480 and that also reduced one cacheline on x86_64 beside eliminating 8 pads. However kept logical fields together. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/libfc/fc_fcp.c')
-rw-r--r--drivers/scsi/libfc/fc_fcp.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index afb63c843144..f725d282b641 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -759,7 +759,6 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg)
goto out;
if (fc_fcp_lock_pkt(fsp))
goto out;
- fsp->last_pkt_time = jiffies;
if (fh->fh_type == FC_TYPE_BLS) {
fc_fcp_abts_resp(fsp, fp);
@@ -1148,7 +1147,6 @@ static int fc_fcp_cmd_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp,
rc = -1;
goto unlock;
}
- fsp->last_pkt_time = jiffies;
fsp->seq_ptr = seq;
fc_fcp_pkt_hold(fsp); /* hold for fc_fcp_pkt_destroy */